Stair track rail



FIG. 1 is a left perspective view of a stair track rail showing the newdesign;

FIG. 2 is a top view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is another left perspective view of of the stair track rail shownin an environment of use; and,

FIG. 5 is a left perspective view of the stair track rail of FIG. 1,with the broken line portions of the stair track trail removed to showaspects of the design that may not be apparent in the other views.

The broken lines shown on the rail in the drawings depict portions ofthe stair track rail that form no part of the claimed design. All otherbroken lines depict environment and form no part of the claimed design.

CLAIM The ornamental design for a stair track rail, as shown anddescribed.